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Hindrik Hermannus Stel
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Eindhoven, NL
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last 30 patents
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Patent Grant
Low-pressure mercury vapor discharge lamp with improved auxiliary a...
Patent number
6,707,246
Issue date
Mar 16, 2004
Koninklijke Philips Electronics N.V.
Willem Johannes Van Den Bogert
H01 - BASIC ELECTRIC ELEMENTS
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last 30 patents
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Patent Application
Low-pressure mercury vapor discharge lamp
Publication number
20020158566
Publication date
Oct 31, 2002
Willem Johannes Van Den Bogert
H01 - BASIC ELECTRIC ELEMENTS